:root {
    --bg-color: #0c0e14;
    --card-bg: rgba(25, 28, 41, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-color: #06b6d4;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --outlier-high: #f43f5e;
    --outlier-med: #fbbf24;
    --outlier-low: #10b981;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body.dark-theme {
    background-color: var(--bg-color);
    color: var(--text-main);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.15) 0px, transparent 50%);
    min-height: 100vh;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    font-size: 0.7rem;
    background: var(--primary-gradient);
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
}

.api-config {
    display: flex;
    gap: 10px;
}

.api-config input {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 8px 15px;
    color: white;
    width: 200px;
    transition: var(--transition);
}

.api-config input:focus {
    border-color: #6366f1;
    outline: none;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 80px 0;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

h1 .highlight {
    color: #6366f1;
    position: relative;
}

.hero-section p {
    color: var(--text-dim);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.search-box {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 8px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 15px 20px;
    color: white;
    font-size: 1.1rem;
}

.search-box input:focus {
    outline: none;
}

.primary-button {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 15px 35px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
}

.sec-button {
    background: rgba(255,255,255,0.05);
    color: white;
    border: 1px solid var(--glass-border);
    padding: 8px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.sec-button:hover {
    background: rgba(255,255,255,0.1);
}

/* Dashboard Stats */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 20px;
    backdrop-filter: blur(12px);
}

.stat-card.highlight {
    border-color: #6366f1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(25, 28, 41, 0.7) 100%);
}

.stat-label {
    color: var(--text-dim);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-card h2 {
    font-size: 2.5rem;
    margin: 10px 0;
}

.stat-desc {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Video Grid */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

#sortSelect {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 10px 20px;
    border-radius: 10px;
    outline: none;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.video-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.thumbnail-container {
    position: relative;
    aspect-ratio: 16/9;
}

.thumbnail-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.outlier-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 15px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.tag-high { background: rgba(244, 63, 94, 0.9); border: 1px solid #f43f5e; box-shadow: 0 0 15px rgba(244, 63, 94, 0.4); }
.tag-med { background: rgba(251, 191, 36, 0.9); border: 1px solid #fbbf24; color: #000; }
.tag-low { background: rgba(16, 185, 129, 0.9); border: 1px solid #10b981; }

.video-info {
    padding: 20px;
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-stats {
    display: flex;
    justify-content: space-between;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.views-count {
    font-weight: 600;
    color: var(--text-main);
}

/* Footer */
.glass-footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-dim);
    margin-top: auto;
}

/* Utilities */
.hidden { display: none !important; }

.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 15px 30px;
    border-radius: 12px;
    background: #1f2937;
    color: white;
    border: 1px solid #374151;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 1000;
    animation: slideIn 0.3s forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .hero-section { padding: 40px 0; }
    header { flex-direction: column; gap: 20px; }
}